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3 years ago

Calculate the velocity of an ocean wave that has a wavelength of 5 meters and a frequency of 2 Hertz (Hz).

Chemistry

2 answers:

bulgar [2K]3 years ago

4 0

Answer:

Option C. 10m/s

Explanation:

Data obtained from the question include:

Wavelength = 5m

Frequency = 2Hz

Velocity =..?

Velocity of a wave is related to the wavelength and frequency by the following equation:

Velocity = wavelength x frequency

With the above equation, we can easily calculate the velocity of the ocean wave as follow:

Velocity = 5 x 2

Velocity = 10m/s

From the calculation made above, we can see that the velocity of the ocean wave is 10m/s.

dangina [55]3 years ago

4 0

Answer:

10 m/s

Explanation:

Edge

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3 years ago

Read 2 more answers

Combustion of hydrocarbons such as undecane (C_11H_24) produces carbon dioxide, a "greenhouse gas." Greenhouse gases in the Eart

bekas [8.4K]

Answer:

Volume of carbon dioxide is 428.23 L.

Explanation:

Below is the chemical reaction or chemical equation for the combustion of hydrocarbons such as undecane into carbon dioxide.

$C_{11}H_{24}(l) + 17O_{2}(g) \to 11CO_{2} (g) + 12H_2O(g)$

Here, undecane is in liquid form that reacts with gaseous oxygen (combustion) and produces carbon dioxide and water as a product in the gaseous form.

The molar mass of undecane = $156.31 g/mol.$

$\text{Number of moles} = \frac{260g}{156.31g/mol} = 1.66 \ mol.$

From the equation, it can be seen that 1 mole of undecane produces 11 moles of carbon dioxide. Therefore, 1.66 mol will produce 18.26 mol of carbon dioxide.

Now find the volume of 18.26 mol of carbon dioxide when the temperature is 13 degrees Celsius and pressure is 1 atm.

$V = \frac{nRT}{P} \\$

$V = \frac{18.26 \times 0.082 \times 286 \ K}{1atm} \\$

$V = 428.23 \ L$

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